Home / 19,292.10-28,938.15-6,145.80

Finding the Fourth Proportional to 19,292.10, 28,938.15 and 6,145.80

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Solution

The fourth proportional to 19,292.10, 28,938.15 and 6,145.80 is: 9,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.10 : 28,938.15 = 6,145.80 : x
  2. Step 2: Convert to fraction form
    19,292.10/28,938.15 = 6,145.80/x
  3. Step 3: Cross multiply
    19,292.10x = 28,938.15 × 6,145.80
  4. Step 4: Simplify right side
    19,292.10x = 177,848,082.27
  5. Step 5: Solve for x
    x = 177,848,082.27/19,292.10
  6. Step 6: Final answer
    x = 9,218.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.